Ribosomes—the tiny factories that build proteins in our cells—don't all work with the same efficiency. Researchers from Japan have discovered that ribosomes actually compete with one another, and ...

Survival of the fittest. Nature red in tooth and claw. The common view of natural selection is based solely on the individual: A trait allows an organism to out-compete its rivals and is thus passed ...

Slower ribosomes stall during translation and collide with faster ones, triggering selective degradation of their small subunits. This “ribosome competition” mechanism ensures that only efficient ...